free

A developer created Puzzle Lair, a free logic puzzle site featuring Sudoku, Kakuro, Nonograms and more, with no ads and a one-time unlock for full catalogs.

StartupWiki is a free, open startup database for discovering and researching companies without accounts or subscriptions.

LockIME is a free and open-source Mac tool that locks the input method, supporting global, per-application, and per-URL automatic switching, saving you from the hassle of manual switching.

Alibaba has open-sourced Zvec, a vector database used internally for years. It supports billion-scale vector retrieval in milliseconds, can be embedded into application processes without a separate service, and is completely free. It serves as a replacement for paid services like Pinecone.

GLM-5.2 is offered for free via Hugging Face Inference Providers for the next 6 hours, encouraging use with coding agents to showcase open source advancement.

A user demonstrates giving a local LLM agent MCP tools for local image and video generation, enabling fully offline and free generation on demand.

FlicKey is a free macOS menu bar utility that automatically switches keyboard input language per app and website, and can fix mistyped text with a double-tap.

Brevio provides 184 free browser-based tools for PDF, image, development, and AI tasks, all without requiring uploads or signup.

Andrej Karpathy demonstrates a free Obsidian-based knowledge management system that replaces costly RAG setups using Claude Code and markdown file structure, handling thousands of documents with minimal tool calls.

The author turned PP-OCRv6 into a local workstation and open-sourced it for free, supporting Mac CoreML acceleration, providing three models: Tiny/Small/Medium, with image upload, batch processing, and multiple export formats, running locally to protect privacy.

Introducing PhET Interactive Simulations, a free and ad-free interactive science simulation tool developed by the University of Colorado. It covers multiple subjects including physics, chemistry, and biology, with over 1.8 billion simulations completed. Suitable for students and teachers of all ages.

Step 3.7 Flash, an open-weights model with a 256k context window, is available free in Cline for a month, claiming to outperform Gemini and DeepSeek flash models and approach frontier performance on SWE Bench.

Buddy is a free Figma agent that allows importing anything into Figma, simplifying design workflows.

OpenAI Codex is now free, but even more surprising is that local open-source models can achieve AI Agent performance close to the cloud, demonstrating scenarios like fixing games and developing web games without requiring API keys or internet.

Shubham Saboo announced a free 50-page guide on shifting from vibe coding to agentic engineering, covering the AI agents-based software development life cycle.

Free 5-day AI Agents course on Kaggle using Gemini, covering topics from introduction to deployment.

A complete configuration guide for free Syncthing sync of Obsidian that has been tested and passed, covering installation on Mac and Android, device interconnection, folder sharing, and lessons learned to avoid pitfalls.

An open-source project leverages Cloudflare's global edge nodes to provide free circumvention service, with simple deployment, fast speed, and freely changeable IPs.

Xiaomi released MiMo Code, a free AI coding assistant with persistent memory across sessions, automatic subagents, and workflow distillation, requiring zero configuration.

A Chinese trader built a trading bot using Claude Fable 5 and released a 31-minute complete free tutorial video with Spanish and English subtitles, guiding how to replicate it.